The Fluidmaster 400H-002 PerforMAX High Performance Universal Toilet Fill Valve offers the best in toilet fill valve replacement. This fill valve sets the performance standard and features new upgrades for even more water-savings， and faster installation. The most powerful fill valve in the market， generating 2X greater refill rates than standard designs， with ultra-quiet operation. Installation is simple， with a pre-installed shank washer， and new step-by-step pamphlet instructions for the fastest and easiest repair possible. A universal toilet fill valve this design fits most brands. Featuring EZ-twist shank height adjustment from 9 in. to 14 in. to fit more tanks. Best for use in 1.28 HET and 1.6 GPF toilets， but can also be used with pre-1994 3.5 GPF toilets. Designed to save-water with adjustable tank water level， and bowl water level dials that are easy to use. Customize your water use per flush depending on your needs， or toilet model. The PerforMAX Fill Valve is a code approved， anti-siphon design that won't contaminate the fresh water supply. Including a fill valve， washer， locknut， tube and clip for everything needed to replace your toilet fill valve. Save-water and get the best performing toilet fill valve available with Fluidmaster's 400H-002 PerforMAX Toilet Fill Valve.

Eliminate noisy， or slow filling fill valves with the quietest， most powerful toilet fill valve available

Easy to install， step-by-step instructions included

Universal fit for most toilet models and brands

2X greater bowl refill for a more powerful flush for 1.28 and 1.6 GPF toilets

Enlarged and easy to turn tank water level adjustment for optimized water use

Bowl water level dial lets you control the fill level in the bowl and save water

Pre-Installed shank washer cuts down repair time

EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks

Replace old fill valves with a high performance model

7 year warranty